Gears of War 3 plans to have the largest array of multi-player skins of the entire series and they just released a new one that's free unlike some of the other store specific ones.
Go to this link, "like" it and then install the silly program, they give you the code, enter it on XBL, then you can delete the program if you'd like after. It's simple and it's a pretty cool character voiced by Ice-T.
Not sure how many people are going to be using this character since it's assumed to be Facebook exclusive so who knows. Hope this helps at least one of you out.